Q. Graham's law of diffusion states that the rate of diffusion of a gas is:

ग्राहम का विसरण नियम बताता है कि गैस के विसरण की दर है:

Directly proportional to its density
इसके घनत्व के सीधे आनुपातिक

Inversely proportional to the square root of its density
इसके घनत्व के वर्गमूल के व्युत्क्रमानुपाती

Directly proportional to the square root of its molecular mass
इसके आणविक द्रव्यमान के वर्गमूल के सीधे आनुपातिक

Inversely proportional to square root of its molecular mass
इसके आणविक द्रव्यमान के वर्गमूल के व्युत्क्रमानुपाती

Graham's Law states that the rate of diffusion of a gas is inversely proportional to the square root of its molar mass.

Mathematical expression: Rate ∝ 1/√M

For two gases: r₁/r₂ = √(M₂/M₁)

Physical basis:

Example: H₂ diffuses 4 times faster than O₂

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